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Hello to all, i need to develop an application that does VOIP call. In the same time, i need to send video capture from web cam to the callee and callee also send his/her web cam frame to caller.

I using pjlib for VOIP and QT for GUI and i using C++.

http://nashruddin.com/Streaming%5FOpen...k#introduction

I have this resources.

Do we need another thread for web cam frame grabber and one thread for voip calling ?

My task is to discover the callee IP using SIP URI register to public server. Then, i send the web cam to the calless' address. How to discover IP after VOIP call of caller and callee ?

This is my final year project.

Please suggest the tool to use or idea to start. I wonder what thread does window Thread provide and its socket API.

Please help.

Thanks.